Prevent title change during specs

src/atom-environment.coffee

@@ -104,7 +104,10 @@ class AtomEnvironment extends Model
   ###
 
   # Call .loadOrCreate instead
-  constructor: ->
+  constructor: (params={}) ->
+    {setRepresentedFilename} = params
+    @setRepresentedFilename = setRepresentedFilename if setRepresentedFilename?
+
     @state = {version: @constructor.version}
 
     @loadTime = null

src/initialize-test-window.coffee

@@ -42,7 +42,7 @@ try
     logFile: getWindowLoadSettings().logFile
     headless: getWindowLoadSettings().headless
     testPaths: getWindowLoadSettings().testPaths
-    buildAtomEnvironment: -> new AtomEnvironment
+    buildAtomEnvironment: (params) -> new AtomEnvironment(params)
     legacyTestRunner: legacyTestRunner
   })
 catch error